DRONE SYSTEM, DRONE, PLAN MANAGEMENT APPARATUS, PLAN MANAGEMENT METHOD FOR DRONE SYSTEM, AND PLAN MANAGEMENT PROGRAM FOR DRONE SYSTEM

In a drone system in which a drone and a movable body operate in coordination with each other, the drone performing a predetermined operation in an agricultural field, the movable body being capable of moving with the drone aboard and allowing the drone to make a takeoff and a landing, the plan determining section determines a flight plan for the drone and a movement plan for the movable body in accordance with the flight plan, and the instructing section instructs the drone to execute an operation in accordance with the flight plan and instructs the movable body to move or to be on standby in accordance with the movement plan.